A brief behavioral intervention for co-users of marijuana (MJ) and tobacco among smokers calling state quitlines

项目摘要 在美国，每年有40多万烟草使用者拨打国家资助的戒烟热线寻求戒烟帮助。一 最近的一项研究发现，在拨打戒烟热线的人中，25%的人报告使用大麻，44%的人报告使用大麻。 的人有兴趣戒烟或减少他们的大麻（MJ）使用（除了想戒烟 烟草）。未知的是如何最好地帮助共同用户在此设置。我们建议第一阶段的治疗发展 针对寻求烟草成瘾治疗的大麻和烟草共同使用者的研究。我们计划 调整现有的基于证据的大麻使用者简短干预，并将其纳入戒烟热线 咨询协议Maritime Check-up program（MJCU）是一个基于证据的，简短的行为检查。 对不寻求MJ治疗的MJ使用者进行干预。MJCU利用动机增强疗法， 一种形式的动机访谈（MI）和认知行为（CBT）策略，以帮助共同用户：1） 了解使用MJ的健康和行为后果，2）考虑改变其使用， 3）减少MJ的使用次数、数量和方法。理论结构（MI，CBT）和 两种治疗（戒烟热线和MJCU）的传递模式（电话、网络和邮件）相似，因此 很可能适合整合我们将进行一项小型随机试点研究，招募100名共同使用者 从四个国家退出线，以确定可行性，可接受性和初步有效性的综合 与单独的标准戒烟治疗相比。结果将包括治疗参与 （完成的电话），对治疗的满意度，3个月时戒烟（生化验证），以及 三个月后的大麻效果我们的方法使用机会主义，现实世界的设置，提供大麻 为可能更愿意考虑减少大麻使用的共同使用者提供咨询服务， 戒烟的动机以及由于持续使用 大麻拟议的简短行为干预解决共同使用可能会增加退出线来电者的 实现和保持戒烟的机会，并增加他们减少大麻的动机 使用.研究结果将为共同使用者制定可扩展的公共卫生干预策略提供信息 在退出线上实施。

PROJECT ABSTRACT In the U.S., over 400,000 tobacco users call state-funded quitlines each year for help with quitting smoking. A recent study found that 25% of those who call tobacco quitlines reported using marijuana/cannabis and 44% of those were interested in quitting or cutting back on their marijuana (MJ) use (in addition to wanting to quit tobacco). Unknown is how best to help co-users in this setting. We propose a Stage I treatment development study for co-users of marijuana and tobacco who are seeking treatment for tobacco addiction. We plan to adapt an existing evidence-based brief intervention for marijuana users and integrate it into tobacco quitline counseling protocols. The Marijuana Check-up program (MJCU) is an evidence-based, brief behavioral intervention for MJ users not seeking treatment for MJ. The MJCU utilizes motivational enhancement therapy, a form of motivational interviewing (MI), and cognitive behavioral (CBT) strategies to help co-users: 1) understand the health and behavioral consequences of using MJ, 2) consider making changes to their use, and 3) cut down on the frequency, quantity and methods of using MJ. The theoretical constructs (MI, CBT) and the mode of delivery (phone, web, and mail) are similar for both treatments (quitline and MJCU) and thus are potentially a good fit for integration. We will conduct a small randomized pilot study with 100 co-users recruited from four state quitlines to determine the feasibility, acceptability and preliminary effectiveness of the integrated intervention compared with the standard quitline treatment alone. Outcomes will include treatment engagement (calls completed), satisfaction with treatment, tobacco cessation at 3 months (biochemically verified), and marijuana outcomes at 3 months. Our approach uses an opportunistic, real-world setting to offer marijuana counseling services to co-users who may be more willing to consider reducing their marijuana use given their motivation to quit tobacco and the known risks of meeting tobacco cessation goals due to continued use of marijuana. The proposed brief behavioral intervention addressing co-use may increase quitline callers' chances of achieving and maintaining tobacco abstinence and increasing their motivation to reduce marijuana use. Findings will inform development of scalable public health intervention strategies for co-users easily implemented across quitlines.